Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0026850 (muscular dystrophy)
 5,870 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Myotonic dystrophy 1 (DM1) is an autosomal, dominant inherited, neuromuscular disorder. The DM1 mutation consists in the expansion of an unstable CTG-repeat in the 3'-untranslated region of a gene encoding DMPK (myotonic dystrophy protein kinase). Clinical expression of DM1 is variable, presenting a progressive muscular dystrophy that affects distal muscles more than proximal and is associated with the inability to relax muscles appropriately (myotonia), cataracts, cardiac arrhythmia, testicular atrophy and insulin resistance. DMPK is a Ser/Thr protein kinase homologous to the p21-activated kinases MRCK and ROCK/rho-kinase/ROK. The most abundant isoform of DMPK is an 80 kDa protein mainly expressed in smooth, skeletal and cardiac muscles. Decreased DMPK protein levels may contribute to the pathology of DM1, as revealed by gene target studies. Here we review current understanding of the structural, functional and pathophysiological characteristics of DMPK.
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PMID:Myotonic dystrophy protein kinase (DMPK) and its role in the pathogenesis of myotonic dystrophy 1. 1858 94